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Lo EY, Nazemi M, Ouseph A, Edwards AS, Weingast N, Krishnan SG. Short-Term Radiographic Outcomes of Bone Versus Metallic Augmented, Central Screw Type Baseplate in Reverse Total Shoulder Arthroplasty: Matched Case-Control Study. J Shoulder Elb Arthroplast 2024; 8:24715492241259470. [PMID: 38846321 PMCID: PMC11155345 DOI: 10.1177/24715492241259470] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2024] [Accepted: 05/15/2024] [Indexed: 06/09/2024] Open
Abstract
Background Although glenoid bone grafting and metallic augmented baseplates have demonstrated success in restoring the glenohumeral joint line in the recent literature, there remain no consensus guidelines defining the use of one versus the other. Methods Between 2017 and 2020, 15 primary RTSA with screw-in metallically augmented glenoid baseplates were identified and 2:1 matched by age, sex, and body mass index with primary bony-augmented glenoid baseplate patients. Patients with previous glenoid implantation or fracture were excluded. Charts, routine radiographic series (Grashey, Scapula Y, Axillary lateral), and 3-dimensional computed tomography (3D CT) scans were retrospectively reviewed. Structural patient-specific metal or bony augmentation was indicated based on preoperative glenoid morphology as identified by 3D CT. Aseptic failure was identified as hardware breakage and/or shift in glenoid baseplate component position. Results There were 45 eligible cases with mean age of 65.7 years (range 44-85 years) and 65.5 years (range 42-82 years) for the metallic-augmented and bone graft group, respectively. Correspondingly, mean follow up was 22.6 months (range 12-53 months), and 27.3 months (range 11-53 months). At latest follow up, there were no baseplate failures in the metallic augment group and 2 baseplate failures (7%) in the bone graft group at a mean of 42.5 months (range 32-53 months) postoperatively. Mean age of the bone failure group was 64.5 years (range 64-65 years). Conclusion Contemporary reversed shoulder arthroplasty glenoid baseplate designs appear to have low incidence of failure. Further analysis is necessary to determine if a critical degree of glenoid retroversion or inclination is preferable with a specific form of augmentation. Level of Evidence III; Retrospective Cohort Comparison.
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Affiliation(s)
- Eddie Y Lo
- The Shoulder Center Research, Baylor Scott and White Research Institute, Dallas, TX, USA
- The Shoulder Service, Baylor University Medical Center, Baylor Scott and White Health, Dallas, TX, USA
| | - Monia Nazemi
- The Shoulder Center Research, Baylor Scott and White Research Institute, Dallas, TX, USA
- University of North Texas Health Science Center, Ft. Worth, TX, USA
| | - Alvin Ouseph
- The Shoulder Center Research, Baylor Scott and White Research Institute, Dallas, TX, USA
- The Shoulder Service, Baylor University Medical Center, Baylor Scott and White Health, Dallas, TX, USA
| | | | - Nancy Weingast
- The Shoulder Center Research, Baylor Scott and White Research Institute, Dallas, TX, USA
- The Shoulder Service, Baylor University Medical Center, Baylor Scott and White Health, Dallas, TX, USA
| | - Sumant G Krishnan
- The Shoulder Center Research, Baylor Scott and White Research Institute, Dallas, TX, USA
- The Shoulder Service, Baylor University Medical Center, Baylor Scott and White Health, Dallas, TX, USA
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Ameziane Y, Imiolczyk JP, Steinbeck J, Warnhoff M, Moroder P, Scheibel M. [Reverse Shoulder Arthroplasty - Current Concepts]. ZEITSCHRIFT FUR ORTHOPADIE UND UNFALLCHIRURGIE 2024; 162:211-228. [PMID: 38518806 DOI: 10.1055/a-2105-3147] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/24/2024]
Abstract
Due to first promising long term outcome data, reverse shoulder arthroplasty experienced an immense increase of usage during the past decade. Moreover, the initial Grammont concept has constantly been refined and adapted to current scientific findings. Therefore, clinical and radiological problems like scapular notching and postoperative instability were constantly addressed but do still remain an area of concern.This article summarises current concepts in reverse shoulder arthroplasty and gives an overview of actual indications like cuff tear arthropathy, severe osteoarthritis, proximal humerus fractures, tumours, fracture sequelae as well as revision surgery and their corresponding clinical and radiological results.
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Castricini R, Mercurio M, Galasso O, Sanzo V, De Gori M, De Benedetto M, Orlando N, Gasparini G. Femoral head allograft for glenoid bone loss in primary reverse shoulder arthroplasty: functional and radiologic outcomes. J Shoulder Elbow Surg 2024; 33:e58-e67. [PMID: 37506998 DOI: 10.1016/j.jse.2023.06.027] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/14/2023] [Revised: 06/05/2023] [Accepted: 06/21/2023] [Indexed: 07/30/2023]
Abstract
BACKGROUND Several techniques have been adopted during primary reverse shoulder arthroplasty (RSA) to manage glenoid bone defect. Among bone grafts, humeral head autograft is currently the mainstream option. However, autologous humeral heads may be unavailable or inadequate, and allografts may be a viable alternative. The aim of the present study was to evaluate the functional and radiologic outcomes of femoral head allografts for glenoid bone defects in primary RSA. METHODS We conducted a retrospective study with prospective data collection enrolling 20 consecutive patients who underwent RSA with femoral head allografts for glenoid bone defects. Indications for surgery were eccentric cuff tear arthropathy in 10 cases (50%), concentric osteoarthritis in 9 cases (45%), and fracture sequelae in 1 case (5%). Each patient was evaluated preoperatively and at follow-up by radiologic and computed tomography (CT) and by assessing the range of motion (ROM) and the Constant-Murley score (CMS). A CT-based software, a patient-specific 3D model of the scapula, and patient-specific instrumentation were used to shape the graft and to assess the position of K-wire for the central peg. Postoperatively, CT scans were used to identify graft incorporation and resorption. RESULTS After a median follow-up of 26.5 months (24-38), ROM and CMS showed a statistically significant improvement (all P = .001). The median measures of the graft were as follows: 28 mm (28-29) for diameter, 22° (10°-31°) for angle, 4 mm (2-8 mm) for minimum thickness, and 15 mm (11-21 mm) for maximum thickness. Before the surgery, the median glenoid version was 21.8° (16.5°-33.5°) for the retroverted glenoids and -13.5° (-23° to -12°) for the anteverted glenoids. At the follow-up, the median postoperative baseplate retroversion was 5.7° (2.2°-1.5°) (P = .001), and this value was close to the 4° retroversion planned on the preoperative CT-based software. Postoperative major complications were noted in 4 patients: 2 dislocations, 1 baseplate failure following a high-energy trauma, and 1 septic baseplate failure. Partial graft resorption without glenoid component failure was observed in 3 cases that did not require revision surgery. CONCLUSION The femoral head allograft for glenoid bone loss in primary RSA restores shoulder function, with CMS values comparable to those of sex- and age-matched healthy individuals. A high rate of incorporation of the graft and satisfactory correction of the glenoid version can be expected after surgery. The management of glenoid bone defects remains a challenging procedure, and a 15% risk of major complication must be considered.
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Affiliation(s)
| | - Michele Mercurio
- Department of Orthopaedic and Trauma Surgery, "Magna Græcia" University, "Mater Domini" University Hospital, Catanzaro, Italy
| | - Olimpio Galasso
- Department of Orthopaedic and Trauma Surgery, "Magna Græcia" University, "Mater Domini" University Hospital, Catanzaro, Italy.
| | - Valentina Sanzo
- Department of Orthopaedic and Trauma Surgery, "Magna Græcia" University, "Mater Domini" University Hospital, Catanzaro, Italy
| | - Marco De Gori
- Department of Orthopaedic and Trauma Surgery, Basso Ionio Hospital, Soverato, Italy
| | | | - Nicola Orlando
- Division of Orthopaedic and Trauma Surgery, "Villa Verde", Fermo, Italy
| | - Giorgio Gasparini
- Department of Orthopaedic and Trauma Surgery, "Magna Græcia" University, "Mater Domini" University Hospital, Catanzaro, Italy
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Gaj E, Pagnotta SM, Berlinberg EJ, Patel HH, Picconi O, Redler A, De Carli A. Intraoperative navigation system use increases accuracy of glenoid component inclination but not functional outcomes in reverse total shoulder arthroplasty: a prospective comparative study. Arch Orthop Trauma Surg 2024; 144:91-102. [PMID: 37650896 DOI: 10.1007/s00402-023-05038-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/14/2023] [Accepted: 08/14/2023] [Indexed: 09/01/2023]
Abstract
BACKGROUND While the use of computer-assisted navigation systems in prosthetic implantation is steadily increasing, its utility in reverse shoulder arthroplasty (RSA) remains unclear. The purpose of this study was to evaluate the clinical utility of an intraoperative navigation system in patients undergoing RSA. MATERIALS AND METHODS Patients undergoing navigated or standard RSA at a single institution between September 2020 and December 2021 were prospectively enrolled. Exclusion criteria included noncompliance with study procedures or humeral fracture. Outcome measures included postoperative version and inclination, range of motion (ROM), complications, and patient-reported outcome measurements (PROMs: American Shoulder and Elbow Surgeons score [ASES], Disabilities of the Arm, Shoulder, and Hand score [DASH], Simple Shoulder Test [SST], and Visual Analog Scale [VAS]) at final follow-up. RESULTS The final cohort contained 16 patients with navigation and 17 with standard RSA at a mean follow-up of 16 months (range 12-18 months). Average age was 72 years (range 66-80 years), 8 male (24%) and 25 female (76%). There were no differences in demographics between groups (p > 0.05). At baseline, the navigated group had a greater proportion of Walch B1 and B2 glenoids (p = 0.04). There were no differences between groups regarding baseplate type and native/planned/postoperative glenoid version and inclination. In both groups, planned and postoperative versions were not significantly different (p = 0.76). Patients who did not have navigation demonstrated significant differences between planned and postoperative inclination (p = 0.04), while those with navigation did not (p = 0.09). PROM scores did not differ between groups at final follow-up for SST (p = 0.64), DASH (p = 0.38), ASES (p = 0.77), or VAS (p = 0.1). No difference in final ROM was found between groups (p > 0.05). Over 50% of all screws in both groups were positioned outside the second cortex (p = 0.37), albeit with no complications. CONCLUSIONS There were no statistically significant differences in ROM, PROMs, and satisfaction between patients receiving computer-navigated and standard RSA at a short-term follow-up. Despite more severe preoperative glenoid erosion in the navigated group, all patients were able to achieve an appropriate neutral axis postoperatively. The cost effectiveness and appropriate use of computer-navigated RSA warrant specific investigation in future studies. LEVEL OF EVIDENCE II, prospective cohort study. TRIAL REGISTRATION 9/1/2020 to 12/31/2021.
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Affiliation(s)
- Edoardo Gaj
- Orthopaedic Unit and Kirk Kilgour Sports Injury Center, S. Andrea Hospital, University of Rome "Sapienza", Via di Grottarossa 1035-1039, 00189, Rome, Italy.
- Ospedale Israelitico di Roma, Rome, Italy.
| | - Susanna M Pagnotta
- Orthopaedic Unit and Kirk Kilgour Sports Injury Center, S. Andrea Hospital, University of Rome "Sapienza", Via di Grottarossa 1035-1039, 00189, Rome, Italy
| | - Elyse J Berlinberg
- Midwest Orthopaedics at Rush, Rush University Medical Center, Chicago, IL, USA
| | - Harsh H Patel
- Midwest Orthopaedics at Rush, Rush University Medical Center, Chicago, IL, USA
| | - Orietta Picconi
- National HIV/AIDS Research Center, Istituto Superiore di Sanità, Rome, Italy
| | - Andrea Redler
- Orthopaedic Unit and Kirk Kilgour Sports Injury Center, S. Andrea Hospital, University of Rome "Sapienza", Via di Grottarossa 1035-1039, 00189, Rome, Italy
| | - Angelo De Carli
- Orthopaedic Unit and Kirk Kilgour Sports Injury Center, S. Andrea Hospital, University of Rome "Sapienza", Via di Grottarossa 1035-1039, 00189, Rome, Italy
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Merolla G, Giorgini A, Bonfatti R, Micheloni GM, Negri A, Catani F, Tarallo L, Paladini P, Porcellini G. BIO-RSA vs. metal-augmented baseplate in shoulder osteoarthritis with multiplanar glenoid deformity: a comparative study of radiographic findings and patient outcomes. J Shoulder Elbow Surg 2023; 32:2264-2275. [PMID: 37263484 DOI: 10.1016/j.jse.2023.04.028] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/22/2022] [Revised: 04/16/2023] [Accepted: 04/19/2023] [Indexed: 06/03/2023]
Abstract
BACKGROUND Reverse shoulder arthroplasty (RSA) requiring extensive reaming to address severe glenoid bone loss increases the risk of glenoid medialization and baseplate failure. We hypothesized that (1) metal-augmented baseplate prevents the medialization of the joint line and preserves glenoid bone stock similarly to bony increased-offset (BIO)-RSA and (2) bone graft viability and healing in BIO-RSA patients become compromised over time. MATERIALS AND METHODS Eighty-one patients (83 shoulders) underwent glenoid lateralization with bone (BIO-RSA group, 44) or metal-augmented baseplate (metallic increased-offset [MIO]-RSA group, 39) and a minimum follow-up of 24 months were included. The orientation and direction of glenoid erosion was identified and recorded using computerized 3D planning. Active range of motion, and the Western Ontario Osteoarthritis of the Shoulder (WOOS) index were assessed before arthroplasty and at the last follow-up visits. Radiographic changes around the glenoid and humeral components were assessed. Healing and thickness of bone graft were evaluated by predefined criteria. Postoperative global glenoid inclination (β angle) and retroversion were also measured. RESULTS Delta scores of active anterior elevation were higher in the MIO-RSA group (P = .027). The differences in the other planes of shoulder motion and in WOOS index scores between the groups were not significant. Preoperative glenoid retroversion was higher in BIO-RSA patients, and glenoid inclination was similar in both groups. Type B2 and B3 glenoids had a posterior-central (91%) and posterior-superior (90%) erosion with a mean posterior humeral head subluxation of 76% and 78%, respectively. The direction of erosion in type E2 and E3 glenoids was posterior-superior, with a mean posterior humeral head subluxation of 74%. The rate of high position of the glenosphere was higher in the BIO-RSA group (P = .022), whereas the values of β angle and postoperative retroversion were similar in the 2 groups. BIO-RSA group showed radiolucent lines <2 mm around the bone graft in 16 patients (36.4%) and decreased thickness in 15 (34.1%). Incomplete baseplate seating was found in 4 MIO-RSA patients (10%). We found higher rates of humerus condensation lines in MIO-RSA patients (P = .01) and higher rates of cortical thinning and tuberosity resorption in the BIO-RSA group (P = .027 and P = .004, respectively). CONCLUSION Metal-augmented glenoid is a suitable alternative to BIO-RSA to preserve bone and prevent the medialization of the joint line in arthritic glenoid with multiplanar glenoid deformity. Bone and metal augmentation provided satisfactory clinical outcomes. Bone graft resorption in BIO-RSA patients raise concern about the risk of baseplate loosening and requires further long-term studies.
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Affiliation(s)
- Giovanni Merolla
- Shoulder and Elbow Unit, Cervesi Hospital, AUSL Romagna, Cattolica, Italy; Shoulder and Elbow Unit, Cervesi Hospital, AUSL Romagna, Cattolica, Italy.
| | - Andrea Giorgini
- Orthopaedics and Trauma Unit, University of Modena and Reggio Emilia, Modena, Italy
| | - Rocco Bonfatti
- Orthopaedics and Trauma Unit, University of Modena and Reggio Emilia, Modena, Italy
| | - Gian Mario Micheloni
- Orthopaedics and Trauma Unit, University of Modena and Reggio Emilia, Modena, Italy
| | - Alberto Negri
- Orthopaedics and Trauma Unit, University of Modena and Reggio Emilia, Modena, Italy
| | - Fabio Catani
- Orthopaedics and Trauma Unit, University of Modena and Reggio Emilia, Modena, Italy
| | - Luigi Tarallo
- Orthopaedics and Trauma Unit, University of Modena and Reggio Emilia, Modena, Italy
| | - Paolo Paladini
- Shoulder and Elbow Unit, Cervesi Hospital, AUSL Romagna, Cattolica, Italy
| | - Giuseppe Porcellini
- Orthopaedics and Trauma Unit, University of Modena and Reggio Emilia, Modena, Italy
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[Bony glenoid reconstruction in revision arthroplasty]. ORTHOPADIE (HEIDELBERG, GERMANY) 2023; 52:109-121. [PMID: 36651971 DOI: 10.1007/s00132-022-04336-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Accepted: 12/16/2022] [Indexed: 01/19/2023]
Abstract
Glenoid pathologies are one of the main indications for shoulder arthroplasty revisions. In most cases, the glenoid bone defect is associated with insufficiency of the rotator cuff, so that only reverse total shoulder arthroplasty can be considered as a revision implant. For stable permanent fixation of the reverse glenoid component, to avoid inferior glenoid notching, and to achieve optimal function, physiological restoration of three-dimensional glenoid anatomy is necessary. In order to approach the individual glenoid pathologies in a differentiated and optimal manner, it is important to classify the defects. A basic distinction must be made between centric contained and eccentric uncontained defects. Combinations often occur. It is also important to consider the severity, depth, and three-dimensional orientation of the defect. Therefore, a CT analysis of the glenoid is essential preoperatively. The data obtained should serve as the basis for computer-assisted planning to determine the optimal position of the glenoid baseplate and the type and shape of the bone graft for the reconstruction. For patients with good bone quality, we recommend defect reconstruction with autologous iliac crest. The type of graft configuration and fixation and the decision between a one- and two-stage procedure depend on the type and severity of the defect. With technically correct reconstruction and proper prosthesis implantation, sufficient integration of the bone graft and durable fixation of the glenoid component can be expected with satisfactory clinical results. After bony reconstruction of the defects, repeated treatment with a reverse arthroplasty is possible in the long term in the event of renewed glenoid problems.
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Innovations in the Realm of Shoulder Arthroplasty. J Clin Med 2022; 12:jcm12010237. [PMID: 36615036 PMCID: PMC9821058 DOI: 10.3390/jcm12010237] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2022] [Accepted: 12/11/2022] [Indexed: 12/31/2022] Open
Abstract
Most of the surgeries regarding the shoulder were established over a century ago [...].
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Frank JK, Siegert P, Plachel F, Heuberer PR, Huber S, Schanda JE. The Evolution of Reverse Total Shoulder Arthroplasty-From the First Steps to Novel Implant Designs and Surgical Techniques. J Clin Med 2022; 11:1512. [PMID: 35329837 PMCID: PMC8949196 DOI: 10.3390/jcm11061512] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2021] [Revised: 03/06/2022] [Accepted: 03/08/2022] [Indexed: 02/04/2023] Open
Abstract
PURPOSE OF REVIEW The purpose of this review is to summarize recent literature regarding the latest design modifications and biomechanical evolutions of reverse total shoulder arthroplasty and their impact on postoperative outcomes. RECENT FINDINGS Over the past decade, worldwide implantation rates of reverse total shoulder arthroplasty have drastically increased for various shoulder pathologies. While Paul Grammont's design principles first published in 1985 for reverse total shoulder arthroplasty remained unchanged, several adjustments were made to address postoperative clinical and biomechanical challenges such as implant glenoid loosening, scapular notching, or limited range of motion in order to maximize functional outcomes and increase the longevity of reverse total shoulder arthroplasty. However, the adequate and stable fixation of prosthetic components can be challenging, especially in massive osteoarthritis with concomitant bone loss. To overcome such issues, surgical navigation and patient-specific instruments may be a viable tool to improve accurate prosthetic component positioning. Nevertheless, larger clinical series on the accuracy and possible complications of this novel technique are still missing.
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Affiliation(s)
- Julia K. Frank
- Vienna Shoulder and Sports Clinic, Baumgasse 20A, 1030 Vienna, Austria
- Ludwig Boltzmann Institute for Traumatology, The Research Center in Cooperation with the AUVA, Donaueschingenstraße 13, 1200 Vienna, Austria;
| | - Paul Siegert
- 1st Orthopaedic Department, Orthopaedic Hospital Vienna-Speising, Speisinger Straße 109, 1130 Vienna, Austria;
- Michael Ogon Laboratory for Orthopaedic Research, Orthopaedic Hospital Vienna-Speising, Speisinger Straße 109, 1130 Vienna, Austria
| | - Fabian Plachel
- Center for Musculoskeletal Surgery, Campus Mitte, Charité Universitaetsmedizin Berlin, Charitéplatz 1, 10117 Berlin, Germany;
- Department of Orthopaedics and Traumatology, Paracelsus Medical University Salzburg, Müllner Hauptstraße 48, 5020 Salzburg, Austria
| | - Philipp R. Heuberer
- HealthPi Medical Center, Wollzeile 1/3, 1010 Vienna, Austria;
- Austrian Research Group for Regenerative and Orthopaedic Medicine, 1010 Vienna, Austria
| | - Stephanie Huber
- Ludwig Boltzmann Institute of Osteology at Hanusch Hospital of OEGK and AUVA Trauma Center Vienna-Meidling, 1140 Vienna, Austria;
| | - Jakob E. Schanda
- Ludwig Boltzmann Institute for Traumatology, The Research Center in Cooperation with the AUVA, Donaueschingenstraße 13, 1200 Vienna, Austria;
- Michael Ogon Laboratory for Orthopaedic Research, Orthopaedic Hospital Vienna-Speising, Speisinger Straße 109, 1130 Vienna, Austria
- AUVA Trauma Center Vienna-Meidling, Kundratstraße 37, 1120 Vienna, Austria
- Austrian Cluster for Tissue Regeneration, 1200 Vienna, Austria
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